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mirror of https://github.com/checktheroads/hyperglass synced 2024-05-11 05:55:08 +00:00
2020-01-16 02:52:00 -07:00

111 lines
3.2 KiB
Python

"""Input query validation model."""
# Standard Library Imports
import operator
from typing import Optional
# Third Party Imports
from pydantic import BaseModel
from pydantic import StrictStr
from pydantic import validator
# Project Imports
from hyperglass.configuration import devices
from hyperglass.configuration import params
from hyperglass.constants import Supported
from hyperglass.exceptions import InputInvalid
class Query(BaseModel):
"""Validation model for input query parameters."""
query_location: StrictStr
query_type: StrictStr
query_vrf: Optional[StrictStr]
query_target: StrictStr
@validator("query_location")
def validate_query_location(cls, value):
"""Ensure query_location is defined.
Arguments:
value {str} -- Unvalidated query_location
Raises:
InputInvalid: Raised if query_location is not defined.
Returns:
{str} -- Valid query_location
"""
if value not in devices.hostnames:
raise InputInvalid(
params.messages.invalid_field,
alert="warning",
input=value,
field=params.branding.text.query_location,
)
return value
@validator("query_type")
def validate_query_type(cls, value):
"""Ensure query_type is supported.
Arguments:
value {str} -- Unvalidated query_type
Raises:
InputInvalid: Raised if query_type is not supported.
Returns:
{str} -- Valid query_type
"""
if value not in Supported.query_types:
raise InputInvalid(
params.messages.invalid_field,
alert="warning",
input=value,
field=params.branding.text.query_type,
)
else:
enabled = operator.attrgetter(f"{value}.enable")(params.features)
if not enabled:
raise InputInvalid(
params.messages.invalid_field,
alert="warning",
input=value,
field=params.branding.text.query_type,
)
return value
@validator("query_vrf", always=True, pre=True)
def validate_query_vrf(cls, value, values):
"""Ensure query_vrf is defined.
Arguments:
value {str} -- Unvalidated query_vrf
Raises:
InputInvalid: Raised if query_vrf is not defined.
Returns:
{str} -- Valid query_vrf
"""
device = getattr(devices, values["query_location"])
default_vrf = "default"
if value is not None and value != default_vrf:
for vrf in device.vrfs:
if value == vrf.name:
value = vrf.name
elif value == vrf.display_name:
value = vrf.name
else:
raise InputInvalid(
params.messages.vrf_not_associated,
alert="warning",
vrf_name=value,
device_name=device.display_name,
)
if value is None:
value = default_vrf
return value